X-Git-Url: http://git.efficios.com/?p=lttng-tools.git;a=blobdiff_plain;f=src%2Fbin%2Flttng-relayd%2Flive.c;h=b4f3884e8a883f82c09e7b2245df944ddb8782f4;hp=fbc70303106e72bd3aefd8be55d985bbd0a8f229;hb=8855795dc792e6b976a92dac78066447acab7561;hpb=87bcbe91a9b75f0c6240f01105cfa00fb0b4d052 diff --git a/src/bin/lttng-relayd/live.c b/src/bin/lttng-relayd/live.c index fbc703031..b4f3884e8 100644 --- a/src/bin/lttng-relayd/live.c +++ b/src/bin/lttng-relayd/live.c @@ -436,7 +436,8 @@ int relayd_live_stop(void) * Create a poll set with O_CLOEXEC and add the thread quit pipe to the set. */ static -int create_thread_poll_set(struct lttng_poll_event *events, int size) +int create_named_thread_poll_set(struct lttng_poll_event *events, + int size, const char *name) { int ret; @@ -445,10 +446,8 @@ int create_thread_poll_set(struct lttng_poll_event *events, int size) goto error; } - ret = lttng_poll_create(events, size, LTTNG_CLOEXEC); - if (ret < 0) { - goto error; - } + ret = fd_tracker_util_poll_create(the_fd_tracker, + name, events, 1, LTTNG_CLOEXEC); /* Add quit pipe */ ret = lttng_poll_add(events, thread_quit_pipe[0], LPOLLIN | LPOLLERR); @@ -477,14 +476,40 @@ int check_thread_quit_pipe(int fd, uint32_t events) return 0; } +static +int create_sock(void *data, int *out_fd) +{ + int ret; + struct lttcomm_sock *sock = data; + + ret = lttcomm_create_sock(sock); + if (ret < 0) { + goto end; + } + + *out_fd = sock->fd; +end: + return ret; +} + +static +int close_sock(void *data, int *in_fd) +{ + struct lttcomm_sock *sock = data; + + return sock->ops->close(sock); +} + /* * Create and init socket from uri. */ static -struct lttcomm_sock *init_socket(struct lttng_uri *uri) +struct lttcomm_sock *init_socket(struct lttng_uri *uri, const char *name) { - int ret; + int ret, sock_fd; struct lttcomm_sock *sock = NULL; + char uri_str[LTTNG_PATH_MAX]; + char *formated_name = NULL; sock = lttcomm_alloc_sock_from_uri(uri); if (sock == NULL) { @@ -492,11 +517,25 @@ struct lttcomm_sock *init_socket(struct lttng_uri *uri) goto error; } - ret = lttcomm_create_sock(sock); - if (ret < 0) { - goto error; + /* + * Don't fail to create the socket if the name can't be built as it is + * only used for debugging purposes. + */ + ret = uri_to_str_url(uri, uri_str, sizeof(uri_str)); + uri_str[sizeof(uri_str) - 1] = '\0'; + if (ret >= 0) { + ret = asprintf(&formated_name, "%s socket @ %s", name, + uri_str); + if (ret < 0) { + formated_name = NULL; + } } - DBG("Listening on sock %d for lttng-live", sock->fd); + + ret = fd_tracker_open_unsuspendable_fd(the_fd_tracker, &sock_fd, + (const char **) (formated_name ? &formated_name : NULL), + 1, create_sock, sock); + free(formated_name); + DBG("Listening on %s socket %d", name, sock->fd); ret = sock->ops->bind(sock); if (ret < 0) { @@ -536,13 +575,14 @@ void *thread_listener(void *data) health_code_update(); - live_control_sock = init_socket(live_uri); + live_control_sock = init_socket(live_uri, "Live listener"); if (!live_control_sock) { goto error_sock_control; } /* Pass 2 as size here for the thread quit pipe and control sockets. */ - ret = create_thread_poll_set(&events, 2); + ret = create_named_thread_poll_set(&events, 2, + "Live listener thread epoll"); if (ret < 0) { goto error_create_poll; } @@ -651,13 +691,18 @@ exit: error: error_poll_add: error_testpoint: - lttng_poll_clean(&events); + (void) fd_tracker_util_poll_clean(the_fd_tracker, &events); error_create_poll: if (live_control_sock->fd >= 0) { - ret = live_control_sock->ops->close(live_control_sock); + int sock_fd = live_control_sock->fd; + + ret = fd_tracker_close_unsuspendable_fd(the_fd_tracker, + &sock_fd, 1, close_sock, + live_control_sock); if (ret) { PERROR("close"); } + live_control_sock->fd = -1; } lttcomm_destroy_sock(live_control_sock); error_sock_control: @@ -2178,7 +2223,8 @@ void *thread_worker(void *data) goto viewer_connections_ht_error; } - ret = create_thread_poll_set(&events, 2); + ret = create_named_thread_poll_set(&events, 2, + "Live viewer worker thread epoll"); if (ret < 0) { goto error_poll_create; } @@ -2301,7 +2347,7 @@ restart: exit: error: - lttng_poll_clean(&events); + (void) fd_tracker_util_poll_clean(the_fd_tracker, &events); /* Cleanup remaining connection object. */ rcu_read_lock();